body {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  width: 100%;
  height: 100%;
  background-image: url(../images/bg.png);
  background-repeat: no-repeat;
  background-size: cover;
}

.box {
  text-align: center;
}

.box .logo {
  width: 53.33333vw;
  height: 53.33333vw;
  display: block;
  margin: 0 auto;
  padding: 13.33333vw;
}

.box .username {
  width: 66.66667vw;
  height: 9.33333vw;
  display: block;
  margin: 0 auto;
  border-radius: 6.66667vw;
  background-color: #bbe3f8;
  border: 1px white;
  margin-top: 13.33333vw;
  font-size: 16px;
  text-indent: 1em;
}

.box .phone {
  width: 66.66667vw;
  height: 9.33333vw;
  display: block;
  margin: 0 auto;
  border-radius: 6.66667vw;
  background-color: #bbe3f8;
  border: 1px white;
  margin-top: 6.66667vw;
  font-size: 16px;
  text-indent: 1em;
}

.box .id {
  width: 66.66667vw;
  height: 9.33333vw;
  display: block;
  margin: 0 auto;
  border-radius: 6.66667vw;
  background-color: #bbe3f8;
  border: 1px white;
  margin-top: 6.66667vw;
  font-size: 16px;
  text-indent: 1em;
}

.box .startbtn, .box .mybtn {
  margin: 8vw;
  width: 24vw;
  height: 8vw;
  border-radius: 50px;
  color: #0075c1;
  background-color: #b3e3f8;
}

.box .error {
  width: 53.33333vw;
  background-color: #c66664;
  text-align: center;
  position: relative;
  margin: 0 auto;
  border-radius: 1.3333vw;
  -webkit-box-shadow: 0px 0px 1px 1px white;
          box-shadow: 0px 0px 1px 1px white;
  color: white;
  display: none;
}
